Combined hair coloring application bottle and timer



FIG. 1 is a perspective view of a combined hair coloring application bottle and timer showing my new design;

FIG. 2 is a front elevational view thereof, the undisclosed rear is a mirror image of the front shown;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a combined hair coloring application bottle and timer, as shown and described. 